CN112143439A - Bi-component rubber repairing agent and preparation method and use method thereof - Google Patents
Bi-component rubber repairing agent and preparation method and use method thereof Download PDFInfo
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- CN112143439A CN112143439A CN202011105445.8A CN202011105445A CN112143439A CN 112143439 A CN112143439 A CN 112143439A CN 202011105445 A CN202011105445 A CN 202011105445A CN 112143439 A CN112143439 A CN 112143439A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
- C09J175/08—Polyurethanes from polyethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4804—Two or more polyethers of different physical or chemical nature
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
- C08G18/7671—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
Abstract
A bi-component rubber repairing agent and a preparation method and a use method thereof belong to the technical field of rubber repairing. The repairing agent consists of A, B components, and the component A is obtained by uniformly mixing polyether polyol 330N, a chain extender, diethylene glycol, 330NH18 slurry, 330N acetylene black slurry, dioctyl phthalate DOP, a catalyst, an antioxidant, a silane coupling agent and a defoaming agent under the conditions of normal temperature and vacuum; and uniformly mixing polyether polyol GE220, 220H18 pulp, dioctyl phthalate DOP, MDI-3051 and MDI-100LL at normal temperature under vacuum condition to obtain the component B. When in use, A, B components are mixed according to the proportion of 1: 0.7-1.3, and mixing uniformly. The repairing agent is simple to prepare and convenient to use, can be used for repairing any type of rubber damage, is not limited by space and the appearance of a rubber part, can be formed in 1 minute, has strength in 8 minutes, and can reach 80% strength in 2 hours and be put into use.
Description
Technical Field
The invention belongs to the technical field of rubber repairing, and particularly relates to a double-component rubber repairing agent, and a preparation method and a use method thereof.
Background
For the damage of rubber material such as the damage of the internal rubber of a desulphurization pump shell and a pipeline, the damage of a rubber transmission belt, the damage of the outer rubber of a cable and the like, the prior art usually adopts a hot vulcanization process during the repair, the repair process needs various special consumables and special vulcanization equipment, the process is complicated, the requirement on the professional technical level of constructors is high, the process is time-consuming and labor-consuming, the repair work can not be carried out because of the lack of equipment or a certain material, and then or the structure of a part to be repaired is complicated without corresponding vulcanization equipment, so that the repair can not be carried out. However, the light-load curing time of the existing repairing agent in the current market is too long, and the meaning of rapid repairing cannot be reflected.
In order to solve the problem that the damage of the rubber material cannot be quickly and conveniently repaired, the development of a repairing agent which is convenient to use and can be quickly repaired is urgently needed.
Disclosure of Invention
The invention aims to solve the technical problem of providing a double-component rubber repairing agent and a preparation method thereof, wherein the repairing agent is simple to prepare, convenient to use and extremely short in light-load curing time.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a dual-component rubber repairing agent consists of a component A and a component B,
the component A comprises the following components in parts by weight: polyether polyol 330N: 11.56-12.13 parts of chain extender: 18.43-19.06 parts of diethylene glycol: 4.56-4.89 parts, 330NH18 slurry: 48.7-4.95 parts of 330N acetylene black slurry: 8.34-8.97 parts, dioctyl phthalate DOP: 5-5.5 parts of catalyst: 0.09-0.12 part of antioxidant: 0.27-0.33 parts of silane coupling agent: 1.79-1.89 parts of defoaming agent: 1.26-1.36 parts;
the component B comprises the following components in parts by weight: polyether polyol GE 220: 23.44-23.79 parts, 220H18 pulp: 24.21-25.17 parts, dioctyl phthalate DOP: 4.97-5.56 parts, MDI-3051: 23.69-24.33 parts, MDI-100 LL: 23.69-24.33 parts.
The 330NH18 pulp comprises the following components in parts by weight: polyether polyol 330N: 96.3-97.2 parts of hydrophobic fumed silica: 3.7-2.8 parts.
The 330N acetylene black slurry comprises the following components in parts by weight: polyether polyol 330N: 96.77-97.51 parts, acetylene black: 3.23 to 2.49 portions.
The 220H18 pulp comprises the following components in parts by weight: polyether polyol GE 220: 96.77-98.16 parts of hydrophobic fumed silica: 3.23 to 1.84 portions.
In the component A, a chain extender is E-300, a defoaming agent is BMC806, catalysts are FAE-1, GT-12 and WS8, antioxidants are 1010, 168 and 1076, and silane coupling agents are WD52, KH560 and WD 60.
The hydrophobic fumed silica is HDK H18.
The preparation method of the double-component rubber repairing agent comprises the following steps:
preparing a component A:
preparing 330NH18 slurry and 330N acetylene black slurry: respectively mixing polyether polyol 330N with hydrophobic fumed silica, polyether polyol 330N and acetylene black under normal temperature and vacuum conditions, and uniformly stirring to obtain 330NH18 slurry and 330N acetylene black slurry;
mixing and uniformly stirring the 330NH18 slurry and the 330N acetylene black slurry with polyether polyol 330N, a chain extender, diethylene glycol, dioctyl phthalate DOP, a catalyst, an antioxidant, a silane coupling agent and a defoaming agent at normal temperature and under vacuum conditions to obtain a component A;
preparing a component B:
preparing 220H18 slurry: under the conditions of normal temperature and vacuum, polyether glycol GE220 and hydrophobic fumed silica are mixed and uniformly stirred to obtain 220H18 slurry;
mixing the 220H18 slurry with polyether polyol GE220, dioctyl phthalate DOP, MDI-3051 and MDI-100LL at normal temperature under vacuum condition, and stirring to obtain component B.
The vacuum degree under the vacuum condition is 0.25-0.3 Mpa, and the stirring rotating speed is more than or equal to 1500 revolutions per minute.
The use method of the double-component rubber repairing agent comprises the following steps of mixing A, B components in a weight ratio of 1: 0.7-1.3, and mixing uniformly.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
the bi-component rubber repairing agent uses acetylene black and fumed silica as fillers, uses polyether polyol as a polymeric substance, promotes the two polyether polyols to have polymerization reaction by adding a catalyst, a coupling agent and an antioxidant, improves the flexibility and the bonding strength of a polymerization product, inhibits foaming, and can quickly polymerize the A, B component into an elastic colloid similar to rubber in a normal temperature environment.
Compared with the traditional repair process, the repair agent is simpler, more convenient and more efficient, has low requirement on the skill level of constructors, can be used for repairing any type of rubber damage by only uniformly mixing the A, B components according to the proportion, does not need special equipment, is not limited by space and the appearance of a rubber part, can be formed in 1 minute, is a black rubber-like polymer, has the strength in 8 minutes, and can reach 80 percent of strength in 2 hours and be put into use. After the performance of the repairing agent is stable, the detection shows that the Shore hardness A of the repairing agent is 82-90 degrees, the tearing strength is more than or equal to 35kg/cm, the tensile strength is more than or equal to 4.5MPa, the elongation is more than or equal to 250 percent, and the 90-degree peel strength is more than or equal to 40N/cm.
Detailed Description
The following examples further illustrate the embodiments of the present invention in detail. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. If not specifically stated, the invention has no special requirements on the type of the raw materials used, and the general type is taken as the standard.
Examples 1 to 11
The double-component rubber repairing agent consists of a component A and a component B, and the preparation method and the using method thereof comprise the following steps:
(1) preparation of component A
Preparing 330NH18 slurry: mixing 96.3-97.2 parts of polyether polyol 330N and 3.7-2.8 parts of fumed silica HDK H18, and uniformly stirring to obtain the polyether polyol;
preparing 330N acetylene black slurry: respectively mixing 96.77-97.51 parts of polyether polyol 330N and 3.23-2.49 parts of acetylene black, and uniformly stirring to obtain the catalyst;
mixing polyether polyol 330N: 11.56-12.13 parts of chain extender E-300: 18.43-19.06 parts of diethylene glycol: 4.56-4.89 parts, 330NH18 slurry: 48.7-4.95 parts of 330N acetylene black slurry: 8.34-8.97 parts, dioctyl phthalate DOP: 5-5.5 parts of catalyst: 0.09-0.12 part of antioxidant: 0.27-0.33 parts of silane coupling agent: 1.79-1.89 parts, defoamer BMC 806: 1.26-1.36 parts; mixing and stirring evenly to obtain the component A.
(2) Preparation of component B
Preparing 220H18 slurry: mixing 96.77-98.16 parts of polyether polyol GE220 and 3.23-1.84 parts of fumed silica HDK H18, and uniformly stirring to obtain the high-performance silicon dioxide;
polyether polyol GE 220: 23.44-23.79 parts, 220H18 pulp: 24.21-25.17 parts, dioctyl phthalate DOP: 4.97-5.56 parts, MDI-3051: 23.69-24.33 parts, MDI-100 LL: 23.69-24.33 parts, and mixing and stirring uniformly to obtain the component B.
(3) Mixing and using
When in use, A, B components are mixed according to the weight ratio of 1: 0.7-1.3, and can be used for repairing any type of rubber damage.
The mixing and stirring of the components are carried out under the conditions of normal temperature and vacuum, the vacuum degree is 0.25-0.3 Mpa, and the stirring speed is more than or equal to 1500 r/min.
The weight parts of the components in the components of examples 1-11 and A, B are shown in tables 1-3, and the specific process parameters are shown in table 4. The components of example A, B are mixed according to the weight ratio of 1: 0.7-1.3, and testing the performance of the mending agent at 25 ℃ and 56% humidity after the mending agent is mixed evenly, wherein the performance test results are shown in Table 5.
TABLE 1 compositions (unit: parts) of each example 330NH18 slurry, 330N acetylene black slurry, 220H18 slurry
TABLE 2 composition of component A of each example (unit: parts)
TABLE 3 composition of the B components of each example (unit: parts)
TABLE 4 Process parameters of the examples
TABLE 5 detection results of the performance of the healing agent in each example
Claims (9)
1. The double-component rubber repairing agent is composed of a component A and a component B, and is characterized in that the component A comprises the following components in parts by weight:
polyether polyol 330N: 11.56 to 12.13 portions of,
chain extender: 18.43 to 19.06 portions of,
diethylene glycol: 4.56 to 4.89 portions of,
330NH18 slurry: 48.7 to 4.95 portions of,
330N acetylene black slurry: 8.34 to 8.97 portions of,
dioctyl phthalate DOP: 5-5.5 parts of (A) and (B),
catalyst: 0.09 to 0.12 portion of,
antioxidant: 0.27 to 0.33 portion of,
silane coupling agent: 1.79 to 1.89 portions of,
defoaming agent: 1.26-1.36 parts;
the component B comprises the following components in parts by weight:
polyether polyol GE 220: 23.44 to 23.79 portions of,
220H18 slurry: 24.21 to 25.17 portions of,
dioctyl phthalate DOP: 4.97 to 5.56 portions of,
MDI-3051: 23.69-24.33 parts of (A),
MDI-100 LL: 23.69-24.33 parts;
the 330NH18 pulp comprises the following components in parts by weight: polyether polyol 330N: 96.3-97.2 parts of hydrophobic fumed silica: 3.7-2.8 parts;
the 330N acetylene black slurry comprises the following components in parts by weight: polyether polyol 330N: 96.77-97.51 parts, acetylene black: 3.23-2.49 parts;
the 220H18 pulp comprises the following components in parts by weight: polyether polyol GE 220: 96.77-98.16 parts of hydrophobic fumed silica: 3.23 to 1.84 portions.
2. The two-component rubber healant according to claim 1, characterized in that: the chain extender in the component A is E-300, and the defoaming agent is BMC 806.
3. The two-component rubber healant according to claim 2, characterized in that: the catalyst in the component A is FAE-1, GT-12 and WS 8.
4. The two-component rubber healant according to claim 3, characterized in that: and the antioxidants in the component A are 1010, 168 and 1076.
5. The two-component rubber healant according to claim 4, wherein: the silane coupling agent in the component A is WD52, KH560 and WD 60.
6. The two-component rubber healant according to claim 5, wherein: the hydrophobic fumed silica is HDK H18.
7. The method for producing a two-component rubber healant according to any one of claims 1 to 6, wherein: which comprises the following steps:
preparing a component A:
preparing 330NH18 slurry and 330N acetylene black slurry: respectively mixing polyether polyol 330N with hydrophobic fumed silica, polyether polyol 330N and acetylene black under normal temperature and vacuum conditions, and uniformly stirring to obtain 330NH18 slurry and 330N acetylene black slurry;
mixing and uniformly stirring the 330NH18 slurry and the 330N acetylene black slurry with polyether polyol 330N, a chain extender, diethylene glycol, dioctyl phthalate DOP, a catalyst, an antioxidant, a silane coupling agent and a defoaming agent at normal temperature and under vacuum conditions to obtain a component A;
preparing a component B:
preparing 220H18 slurry: under the conditions of normal temperature and vacuum, polyether glycol GE220 and hydrophobic fumed silica are mixed and uniformly stirred to obtain 220H18 slurry;
mixing the 220H18 slurry with polyether polyol GE220, dioctyl phthalate DOP, MDI-3051 and MDI-100LL at normal temperature under vacuum condition, and stirring to obtain component B.
8. The method for producing a two-component rubber healant according to claim 7, wherein: the vacuum degree under the vacuum condition is 0.25-0.3 Mpa, and the stirring rotating speed is more than or equal to 1500 revolutions per minute.
9. The method of using a two-component rubber healant according to any one of claims 1 to 6, characterized in that: when in use, A, B components are mixed according to the weight ratio of 1: 0.7-1.3, and mixing uniformly.
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| CN202011105445.8A CN112143439A (en) | 2020-10-15 | 2020-10-15 | Bi-component rubber repairing agent and preparation method and use method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113201114A (en) * | 2021-04-06 | 2021-08-03 | 郑州中原思蓝德高科股份有限公司 | Isocyanate-terminated polyurethane prepolymer and double-component polyurethane cold-patch adhesive |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105802571A (en) * | 2014-12-30 | 2016-07-27 | 郭贯中 | Repairing adhesive used for rapid repairing of rubber product |
| CN108124449A (en) * | 2015-04-24 | 2018-06-05 | 伊利诺斯工具制品有限公司 | Exempt from primary coat two component polyurethane adhesive |
| CN111279273A (en) * | 2017-10-26 | 2020-06-12 | 株式会社普利司通 | Developing roller and method for manufacturing developing roller |
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2020
- 2020-10-15 CN CN202011105445.8A patent/CN112143439A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105802571A (en) * | 2014-12-30 | 2016-07-27 | 郭贯中 | Repairing adhesive used for rapid repairing of rubber product |
| CN108124449A (en) * | 2015-04-24 | 2018-06-05 | 伊利诺斯工具制品有限公司 | Exempt from primary coat two component polyurethane adhesive |
| CN111279273A (en) * | 2017-10-26 | 2020-06-12 | 株式会社普利司通 | Developing roller and method for manufacturing developing roller |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113201114A (en) * | 2021-04-06 | 2021-08-03 | 郑州中原思蓝德高科股份有限公司 | Isocyanate-terminated polyurethane prepolymer and double-component polyurethane cold-patch adhesive |
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Application publication date: 20201229 |